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一种新型多模干涉型光子晶体波分解复用器

, PP. 753-758

Keywords: 光通信,光子晶体,波分解复用器,多模干涉效应,平面波展开法,时域有限差分法

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Abstract:

基于二维光子晶体中多模干涉效应(MMI)设计了一种新型的三波长波分解复用器,该结构能有效分离1310/1500/1550nm三个波段的波长。并且,当我们改变该波分解复用器的相关结构参数时,该结构能拓展至其他波段。除此之外,该结构也能单独作为两波长波分解复用器对1310/1550nm实现分离。通过计算,该波分解复用结构三个波长的透射率均在91%以上。与此同时,借助于平面波展开法及时域有限差分法,我们对光波在该结构的传播效率及传播行为进行了计算及模拟。

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